New IMF API Address as of September 2025..

[wjkim72]

Dear Mingjer Lee.
Thank you so much for your IMFData package.

IMF has changed its API server from https://dataservices.imf.org to https://sdmxcentral.imf.org as of September 2025.
I would appreciate it if you can update the package accordingly.

For example, previous DataflowMethod() can use the following links instead of https://dataservices.imf.org :

https://sdmxcentral.imf.org/sdmx/v2/structure/dataflow/ALL/ALL/+

Here's IMF's guideline:
https://datasupport.imf.org/knowledge?id=knowledge_category&sys_kb_id=d41858e747294ad8805d07c4f16d43e0&category_id=9959b2bc1b6391903dba646fbd4bcb6a

Thank you so much.

Best regards,

Won Joong